Finding the Fourth Proportional to 97,706.20, 146,559.30 and 84,875.80
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Solution
The fourth proportional to 97,706.20, 146,559.30 and 84,875.80 is: 127,313.70
Step by Step Solution
- Step 1: Write the proportion equation
97,706.20 : 146,559.30 = 84,875.80 : x - Step 2: Convert to fraction form
97,706.20/146,559.30 = 84,875.80/x - Step 3: Cross multiply
97,706.20x = 146,559.30 × 84,875.80 - Step 4: Simplify right side
97,706.20x = 12,439,337,834.94 - Step 5: Solve for x
x = 12,439,337,834.94/97,706.20 - Step 6: Final answer
x = 127,313.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.